NCF1 and neoplasm: Contrary to the previous results that neutrophils depletion with anti-GR1 antibody (clone RB6-8C5) reduced the tumor growth29,30, and that 1A8 antibody treatment had no impact on lung colonization in C57BL/6 mice31, our data shows that 1A8 antibodies enhanced lung colonization in Ncf1 wild-type mice on the C57BL/6 genetic background.